Primary Aluminum R eduction Section 114

- May 21, 2013

Page 1 of 2 2 Table 3 Wet Scrubber Description

– 

## NA

- no wet scrubbers

1. Control d evice description and ID number ( or numbers, if several identical control devices

are used to control a given emission source ) :

2. Stack or vent location of each control device ( use NAD83 and i nclude six decimal places and

add rows as necessary ):

ID No.: _________ Latitude: ___

____________ Longitude: __

______________

ID No.: _________ Latitude: _______________ Longitude: ________________

ID No.: _________ Latitude: _______________ Longit ude: ________________

3. Design collection efficiency and outlet concentration ( add rows as necessary ) :

Pollutant Collection Outlet Source of

efficiency * concentration * Estimation *

(if known) (if known)

PM Percent mg /dscf

_________

PM10 Percent mg /dscf

_________

PM2.5 Percent mg /dscf

_________

Total Fluorides Percent mg /dscf

_________ Hydrogen Fluorides Percent mg /dscf

_________

POM Percent mg /dscf

_________

COS Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________

* 1 = Performance testing 2 = Engineering judgment 3 = Manufacturer specs.

4 = Title V permit application 5 = Other (specify) _______________________

4. D evice typ e : V enturi V ertical packed bed

H orizontal packed bed T ray tower spray chamber

O ther (specify or describe):

5. P ressure mode of operation: p ositive pres sure n egative pressure

6. Typical gas temperature: inlet ° F outlet ° F

7. Gas flow rate: acfm (at scrubber outlet) dscfm

8. Pressure drop across scrubber : inches water column (in. H 2 O)Primary Aluminum R eduction Section 114

- May 21, 2013

Page 2 of 2 2 9. Liquid to gas ratio: gal / 1,000 acf

10. Chemical usage rate (specify chemical and typical usage rate , if applicable )

Chemical added Usage rate Units for usage rate

11. Identify e ach source served by this control device ( add rows as necessary )

.

Source ID No (s)

. Source description(s)

12. Indicate what operational parameters of the control device are monitored to ensure that the

control device is operating properly :

V olumetric flow rate F an amperage

Pressure drop Water flow rate

O ther (specify):

.

13. What level of a monitored op erati onal parameter triggers corrective action?

V olumetric flow rate (acfm) F an amperage (amps)

P ressure drop (in. H 2 O) W ater flow rate (gpm)

O ther (specify):

.

14. Has the collected sludge been analyzed?

_____ Yes

_____ No

If yes, provide the average and range for each HAP constitue nt analyzed over the past year or

last 9 samples, whichever is fewer. Alternativ ely, attach the results of the analyses. Do not

include results from the Toxicity Characteristic Leaching Procedure (TCLP).

15. Additional comments and informatio n:Primary Aluminum R eduction Section 114

- May 21, 2013

Page 3 of 2 2 Table 4 Combination Dry Alumina Scrubber /Bag House Description

1. Control d evice description and ID number ( or numbers, if several identical control devices

are used to control a given emission source ) :

A398 Fume control system

– Line 1

– 1 61N

2. Stack or vent location of each control device ( use NAD83 and include six decimal places and

add rows a s necessary):

ID No.: E1_2N Latitude: 37.657178 Longitude: 87.500279

ID No.: _________ Latitude: _______________ Longitude: ________________

ID No.: _________ Latitude: _______________ Longitude: ________________

3. Design collection efficiency and ou tlet concentration (add rows as necessary) :

Pollutant Collection Outlet Source of

efficiency * concentration * Estimation *

(if known) (if known)

PM 95 Percent mg /dscf

_________

PM10 95 Percent 0.029 mg /dscf

____ 1

____

PM2.5 Percent 0.027 mg /dscf ____1____

Total Fluorides 95 Percent 0.07 0 lb F/ton Al ____1____

Hydrogen Fluorides 95 Percent mg /dscf

_________

POM Percent mg /dscf

_________

COS Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________

* 1 = Performance testing 2 = Engineering judgment 3 = Manufacturer specs.

4 = Title V permit application 5 = Other (specify) _______________________

4. Scrubber device type :

X Fluidized bed

_____ Injection

_____ Other (specify or describe): _________________________________________

5. Bag cleaning method :

_____ Pulse jet

_____ Reverse air

_____ Shaker

X

_ Other (describe)

___ Sonic horn

________________________________________

6. P ressure mode of operation : X p osit ive pressure n egative pressurePrimary Aluminum R eduction Section 114

- May 21, 2013

Page 4 of 2 2 7. Typical gas temperature: inlet to scrubber 238 ° F outlet from bag house 238 ° F

8. Gas flow rate: 251,200 acfm (at bag house outlet) 183,400 dscfm

9. Pressure drop: Across scrubber: 12 inches water column (in. H 2 O)

Across bag house: 8 inches water column (in. H 2 O)

10. Solid to gas ratio: 0. 9 6 lb / 1,000 acf

11. Alumina usage rate (differentiate between virgin and recycled alumina from potlines)

Type of Alumina Added Usage rate Units for usage rate

Virgin alumina 75 t o 295 cuft/hr

Recycled alumina NA

Other alumina (specify

_____ ___________)

12. Identify each emission source served by this control device (add rows as necessary).

Source ID No(s). Description(s)

Potline 1

– buildings 101N

and 102N Potline 1

- Potrooms north portion of buildings 101N and 102N

13. Indicate what operational parameters of the control device are monitored to ensure that the

control device is operating properly :

X V olumetric flow rate X F an amperage

X P ress ure drop Visible emissions opacity

O ther (specify): Alumina Feed Rate

.

14. What level of a monitored operati onal parameter triggers corrective action ?

< 160,000 V ol umetric flow rate ( scfm ) F an amperage (amps)

P ressure drop (in. H 2 O) Visible emissions opacity (%)

O ther (specify): < 75 cuft/hr Alumina Feed Rate (after a 5hr monitored time period)

Per reactor

.

15. Additional c omments and information:Primary Aluminum R eduction Section 114

- May 21, 2013

Page 5 of 2 2 Table 4 Combination Dry Alumina Scrubber/Bag House Description

1. Control d evice description and ID number ( or numbers, if several identical control devices

are used to control a given emission source ) :

A398 Fume control system

– Line 1

– 161S

2. Stack or vent location of each control device ( use NAD83 and include six decimal places

and add rows as necessary):

ID No.: E1_2 S Latitude: 37.65 6598 Longitude: 87.500 921

ID No.: _________ Latitude: _______________ Longitude: _________

_______

ID No.: _________ Latitude: _______________ Longitude: ________________

3. Design collection efficiency and outlet concentration (add rows as necessary) :

Pollutant Collection Outlet Source of

efficiency * concentration * Estimation *

(if known) (if known)

PM 95 Percent mg /dscf

_________

PM10 95 Percent 0.029 mg /dscf ____1____

PM2.5 Percent 0.027 mg /dscf ____1____

Total Fluorides 95 Percent 0.07 0 lb F/ton Al ____1____

Hydrogen Fluorides 95 Percent mg /dscf

_________

POM Percent mg /dscf

_________

COS Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________

Oth er (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________

* 1 = Performance testing 2 = Engineering judgment 3 = Manufacturer specs.

4 = Title V permit application 5 = Other ( specify) _______________________

4. Scrubber device type:

X Fluidized bed

_____ Injection

_____ Other (specify or describe): _________________________________________

5. Bag cleaning method :

_____ Pulse jet

_____ Reverse air

_____ Shaker

_ X Other (describe)

_ Sonic horn

________________ __________________________

6. P ressure mode of operation : X p ositive pressure n egative pressurePrimary Aluminum R eduction Section 114

- May 21, 2013

Page 6 of 2 2 7. Typical gas temperature: inlet to scrubber 238 ° F outlet from bag house 238 ° F

8. Gas flow rate: 251,200 acfm (at bag house outlet) 183,400 dscfm

9. Pressure drop: Across scrubber: 12 inches water column (in. H 2 O)

Across bag house: 8 inches water column (in. H 2 O)

10. Solid to gas ratio: 0. 9 6 lb / 1,000 acf

11. Alumina usage rate (differentiate between virgin and recycled alumina from potlines)

Type of Alumina Added Usage rate Units for usage rate

Virgin alumina 75 to 295 cuft/hr

Recycled alumina NA

Other alumina (specify ________________)

12. Identify each emission source served by this control device (add rows as necessary).

Source ID No(s). Description(s)

Potline 1

– buildings 101S

and 102 S Potline 1

- Potrooms south portion of buildings 101 S an d 102S

13. Indicate what operational parameters of the control device are monitored to ensure that the

control device is operating properly :

X V olumetric flow rate X F an amperage

X P ressure drop Visible e missions opacity

O ther (specify): Alumina Feed Rate .

14. What level of a monitored operati onal parameter triggers corrective action ?

< 160,000 V olumetric flow rate ( scfm ) F an amperage (amps)

P ressure drop (in. H 2 O) Visible emissions opacity (%)

O ther (specify): < 75 cuft/hr Alumina Feed Rate (after a 5hr monitored time period)

Per reactor

.

15. Additional comments and information:Primary Aluminum R eduction Section 114

- May 21, 2013

Page 7 of 2 2 Table 4 Combination Dry Alumina Scrubber/Bag House Description

1. Control d evice description and ID number ( or numbers, if several identical control devices

are used to control a given emission source ) :

A398 Fume control system

– Line 2

– 162N

2. Stack or ven t location of each control device ( use NAD83 and include six decimal places

and add rows as necessary):

ID No.: E 3 _2N Latitude: 37.657 715 Longitude: 87.50 1054

ID No.: _________ Latitude: _______________ Longitude: ________________

ID No.: _________ La titude: _______________ Longitude: ________________

3. Design collection efficiency and outlet concentration (add rows as necessary) :

Pollutant Collection Outlet Source of

efficiency * concentration * Estimation *

(if known) (if known)

PM 95 Perc ent mg /dscf

_________

PM10 95 Percent 0.029 mg /dscf ____1____

PM2.5 Percent 0.027 mg /dscf ____1____

Total Fluorides 95 Percent 0.032 lb F/ton Al ____1____

Hydrogen Fluorides 95 Percent mg /dscf

_________

POM Percent mg /dscf

_________

COS Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Perc ent mg /dscf

_________ Other (specify) Percent mg /dscf

_________

* 1 = Performance testing 2 = Engineering judgment 3 = Manufacturer specs.

4 = Title V permit application 5 = Other (specify) ____________________

___

4. Scrubber device type:

X Fluidized bed

_____ Injection

_____ Other (specify or describe): _________________________________________

5. Bag cleaning method :

_____ Pulse jet

_____ Reverse air

_____ Shaker

X Other (describe)

___ Sonic horn

________________________________________

6. P ressure mode of operation : X p ositive pressure n egative pressurePrimary Aluminum R eduction Section 114

- May 21, 2013

Page 8 of 2 2 7. Typical gas temperature: inlet to scrubber 238 ° F outlet from bag house 238 ° F

8. Gas flow rate : 251,200 acfm (at bag house outlet) 183,400 dscfm

9. Pressure drop: Across scrubber: 12 inches water column (in. H 2 O)

Across bag house: 8 inches water column (in. H 2 O)

10. Solid to gas ratio: 0.9 6 lb / 1,000 acf

11. Alumina usage rate (differentiate between virgin and recycled alumina from potlines)

Type of Alumina Added Usage rate Units for usage rate

Virgin alumina 75 to 295 cuft/hr

Recycled alumina NA

Other alumina (specif

y ________________)

12. Identify each emission source served by this control device (add rows as necessary).

Source ID No(s). Description(s)

Potline 2

– buildings 103 N

and 10 4N Potline 2

- Potrooms north portion of buildings 103N and 104 N

13. Indicate what operational parameters of the control device are monitored to ensure that the

control device is operating properly :

X V olumetric flow rate X F an amperage

X P ressure drop Visible emissions opacity

O ther (sp ecify): Alumina Feed Rate .

14. What level of a monitored operati onal parameter triggers corrective action ?

< 160,000 V olumetric flow rate ( scfm ) F an amperage (amps)

P ressure drop (in. H 2 O) Visible emissions opacity (%)

O ther (specify): < 75 cuft/hr Alumina Feed Rate (after a 5hr monitored time period)

Per reactor

.

15. Additional comments and information:Primary Aluminum R eduction Section 114

- May 21, 2013

Page 9 of 2 2 Table 4 Combination Dry Alum ina Scrubber/Bag House Description

1. Control d evice description and ID number ( or numbers, if several identical control devices

are used to control a given emission source ) :

A398 Fume control system

– Line 2

– 162S

2. Stack or vent location of each control de vice ( use NAD83 and include six decimal places

and add rows as necessary):

ID No.: E 3 _2 S Latitude: 37.657 136 Longitude: 87.50 1685

ID No.: _________ Latitude: _______________ Longitude: ________________

ID No.: _________ Latitude: _______________ Long itude: ________________

3. Design collection efficiency and outlet concentration (add rows as necessary) :

Pollutant Collection Outlet Source of

efficiency * concentration * Estimation *

(if known) (if known)

PM 95 Percent mg /dscf

_________

PM10 95 Percent 0.029 mg /dscf ____1____

PM2.5 Percent 0.027 mg /dscf ____1____

Total Fluorides 95 Percent 0.032 lb F/ton Al ____1____

Hydrogen Fluorides 95 Percent mg /dscf

_________

POM Percent mg /dscf

_________

COS Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________

* 1 = Performance testing 2 = Engineering judgment 3 = Manufacturer specs.

4 = Title V permit application 5 = Other (specify) _______________________

4. Scrubber device type:

X Fluidized bed

_____ Injection

_____ Other (specify or describe): _________________________________________

5. Bag cleaning method :

_____ Pulse jet

_____ Reverse air

_____ Shaker

X Other (describe)

___ Sonic horn

________________________________ ________

6. P ressure mode of operation : X p ositive pressure n egative pressurePrimary Aluminum R eduction Section 114

- May 21, 2013

Page 10 of 2 2 7. Typical gas temperature: inlet to scrubber 238 ° F outlet from bag house 238 ° F

8. Gas flow rate: 251,200 acfm (at bag house outlet) 183,400 dscfm

9. Pressure drop: Across scrubber: 12 inches water column (in. H 2 O)

Across bag house: 8 inches water column (in. H 2 O)

10. Solid to gas ratio: 0. 9 6 lb / 1,000 acf

11. Alumina usage rate (differentiate between virgin and recycled alumina from potlines)

Type of Alumina Added Usage rate Units for usage rate

Virgin alumina 75 t o 295 cuft/hr

Recycled alumina NA

Other alumina (specify ________________)

12. Identify each emission source served by this control device (add rows as necessary).

Source ID No(s). Description(s)

Potline 2

– buildings 103S

and 104S Potline 2

- Potrooms south portion of buildings 103S and 104S

13. Indicate what operational parameters of the control device are monitored to ensure that the

control device is operating properly :

X V olumetric flow rate X F an amperage

X P ress ure drop Visible emissions opacity

O ther (specify): Alumina Feed Rate .

14. What level of a monitored operati onal parameter triggers corrective action ?

< 160,000 V ol umetric flow rate ( scfm ) F an amperage (amps)

P ressure drop (in. H 2 O) Visible emissions opacity (%)

O ther (specify): < 75 cuft/hr Alumina Feed Rate (after a 5hr monitored time period)

Per reactor

.

15. Additional c omments and information:Primary Aluminum R eduction Section 114

- May 21, 2013

Page 11 of 2 2 Table 4 Combination Dry Alumina Scrubber/Bag House Description

1. Control d evice description and ID number ( or numbers, if several identical control devices

are used to control a given emission source ) :

A398 Fume control system

– Line 3

– 163N

2. Stack or vent location of each control device ( use NAD83 and include six decimal places

and add rows as necessary):

ID No.: E 5 _2N Latitude: 37.65 8522 Longitude: 87.50 2204

ID No.: _________ Latitude: _______________ Longitude: _________

_______

ID No.: _________ Latitude: _______________ Longitude: ________________

3. Design collection efficiency and outlet concentration (add rows as necessary) :

Pollutant Collection Outlet Source of

efficiency * concentration * Estimation *

(if known) (if known)

PM 95 Percent mg /dscf

_________

PM10 95 Percent 0.029 mg /dscf ____1____

PM2.5 Percent 0.027 mg /dscf ____1____

Total Fluorides 95 Percent 0.045 lb F/ton Al ____1____

Hydrogen Fluorides 95 Percent mg /dscf

_________

POM Percent mg /dscf

_________

COS Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________

Oth er (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________

* 1 = Performance testing 2 = Engineering judgment 3 = Manufacturer specs.

4 = Title V permit application 5 = Other ( specify) _______________________

4. Scrubber device type:

X Fluidized bed

_____ Injection

_____ Other (specify or describe): _________________________________________

5. Bag cleaning method :

_____ Pulse jet

_____ Reverse air

_____ Shaker

__ X__ Other ( describe)

___ Sonic horn

________________________________________

6. P ressure mode of operation : X p ositive pressure n egative pressurePrimary Aluminum R eduction Section 114

- May 21, 2013

Page 12 of 2 2 7. Typical gas temperature: inlet to scrubber 238 ° F outlet from bag house 2 38 ° F

8. Gas flow rate: 251,200 acfm (at bag house outlet) 183,400 dscfm

9. Pressure drop: Across scrubber: 12 inches water column (in. H 2 O)

Across bag house: 8 inches water column (in. H 2 O)

10. S olid to gas ratio: 0.9 6 lb / 1,000 acf

11. Alumina usage rate (differentiate between virgin and recycled alumina from potlines)

Type of Alumina Added Usage rate Units for usage rate

Virgin alumina 75 to 295 cuft/hr

Recycled alumina N A

Other alumina (specify ________________)

12. Identify each emission source served by this control device (add rows as necessary).

Source ID No(s). Description(s)

Potline 3

– buildings 105N

and 106 N Potline 3

- Potrooms north portion of buildings 105 N an d 106 N

13. Indicate what operational parameters of the control device are monitored to ensure that the

control device is operating properly :

X V olumetric flow rate X F an amperage

X P ressure drop Visible emi ssions opacity

O ther (specify): Alumina Feed Rate .

14. What level of a monitored operati onal parameter triggers corrective action ?

< 160,000 V olumetric flow rate ( scfm ) F an amperage (amps)

P ressure drop (in. H 2 O) Visible emissions opacity (%)

O ther (specify): < 75 cuft/hr Alumina Feed Rate (after a 5hr monitored time period)

Per reactor

.

15. Additional comments and information:Primary Aluminum R eduction Section 114

- May 21, 2013

Page 13 of 2 2 Tab le 4 Combination Dry Alumina Scrubber/Bag House Description

1. Control d evice description and ID number ( or numbers, if several identical control devices

are used to control a given emission source ) :

A398 Fume control system

– Line 3

– 163S

2. Stack or vent lo cation of each control device ( use NAD83 and include six decimal places

and add rows as necessary):

ID No.: E 5 _2 S Latitude: 37.657 951 Longitude: 87.50 2835

ID No.: _________ Latitude: _______________ Longitude: ________________

ID No.: _________ Latitu de: _______________ Longitude: ________________

3. Design collection efficiency and outlet concentration (add rows as necessary) :

Pollutant Collection Outlet Source of

efficiency * concentration * Estimation *

(if known) (if known)

PM 95 Percent mg /dscf

_________

PM10 95 Percent 0.029 mg /dscf ____1____

PM2.5 Percent 0.027 mg /dscf ____1____

Total Fluorides 95 Percent 0.045 lb F/ton Al ____1____

Hydrogen Fluorides 95 Percent mg /dscf

_________

POM Percent mg /dscf

_________

COS Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________

* 1 = Performance testing 2 = Engineering judgment 3 = Manufacturer specs.

4 = Title V permit application 5 = Other (specify) _______________________

4. Scrubber device type:

X Fluidized bed

_____ Injection

_____ Other (specify or describe): _________________________________________

5. Bag cleaning method :

_____ Pulse jet

_____ Reverse air

_____ Shaker

X

_ Other (describe)

___ Sonic horn

____________________ ____________________

6. P ressure mode of operation: X p ositive pressure n egative pressurePrimary Aluminum R eduction Section 114

- May 21, 2013

Page 14 of 2 2 7. Typical gas temperature: inlet to scrubber 238 ° F outlet from bag house 238 ° F

8. Gas flow rate: 251,200 acfm (at bag house outlet) 183,400 dscfm

9. Pressure drop: Across scrubber: 12 inches water column (in. H 2 O)

Across bag house: 8 inches water column (in. H 2 O)

10. Solid to gas ratio: 0.9 6 lb / 1,000 acf

11. Alumina usage rate (differentiate between virgin and recycled alumina from potlines)

Type of Alumina Added Usage rate Units for usage rate

Virgin alumina 75 to 295 cuft/hr

Recycled alumina NA

Other alumina (specify __ ______________)

12. Identify each emission source served by this control device (add rows as necessary).

Source ID No(s). Description(s)

Potline 1

– buildings 105S

and 10 6S Potline 1

- Potrooms south portion of buildings 105S and 106S

13. Indicate what operational parameters of the control device are monitored to ensure that the

control device is operating properly :

X V olumetric flow rate X F an amperage

X P ressure drop Visible emissions opacity

O ther (specif

y): Alumina Feed Rate .

14. What level of a monitored operati onal parameter triggers corrective action ?

< 16 0,000 V olumetric flow rate ( s cfm ) F an amperage (amps)

P ressure drop (in. H 2 O) Visible emissions opacity (%)

O ther (specify): < 75 cuft/hr Alumina Feed Rate (after a 5hr monitored time period)

Per reactor

.

15. Additional comments and information:Primary Aluminum R eduction Section 114

- May 21, 2013

Page 15 of 2 2 Table 4 Combination Dry Alumina Scrubber/Bag House Description

1. Control d evice description and ID number ( or numbers, if several identical control devices

are used to control a given emission source ) :

Anode Bake Furnace A 446 Fume C ontrol S ystem

2. Stack or vent location of each control de vice ( use NAD83 and include six decimal places

and add rows as necessary):

ID No.: N2

_ 01 Latitude: 37.65 8648 Longitude: 87. 497999

ID No.: _________ Latitude: _______________ Longitude: ________________

ID No.: _________ Latitude: _______________ Long itude: ________________

3. Design collection efficiency and outlet concentration (add rows as necessary) :

Pollutant Collection Outlet Source of

efficiency * concentration * Estimation *

(if known) (if known)

PM Percent mg /dscf

_________

PM10 100 Percent 0.200 mg /dscf ____1____

PM2.5 Percent 0. 198 mg /dscf ____1____

Total Fluorides 100 Percent 0.002 lb F/ton Al ____1____

Hydrogen Fluorides 100 Percent mg /dscf

_________

POM (tons Green Anode) 100 Percent 0.020 lb POM/ton GA ____1____

COS Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________

* 1 = Performance testing 2 = Engineering judgment 3 = Manufacturer specs.

4 = Title V permit application 5 = Other (specify) _______________________

4. Scrubb er device type:

X Fluidized bed

_____ Injection

_____ Other (specify or describe): _________________________________________

5. Bag cleaning method :

_____ Pulse jet

_____ Reverse air

_____ Shaker

_ X

_ Other (describe)

__ Sonic horn

____________ _____________________________

6. P ressure mode of operation: X p ositive pressure n egative pressurePrimary Aluminum R eduction Section 114

- May 21, 2013

Page 16 of 2 2 7. Typical gas temperature: inlet to scrubber 424 ° F outlet from bag house 180 ° F

8. Gas flow rate : 72,70 0 acfm ( at bag house outlet ) 57,900 dscfm

9. Pressure drop: Across scrubber: 20 inches water column (in. H 2 O)

Across bag house: 8 inches water column (in. H 2 O)

10. Solid to gas ratio: 0. 67 lb / 1,000 acf

11. Alumina usage rate (differentiate between virgin and recycled alumina from potlines)

Type of Alumina Added Usage rate Units for usage rate

Virgin alumina 7.8 to 14.1 cuft/hr

Recycled alumina NA

Other alumina (specify ________________)

12. Identify each emission source served by this control device (add rows as necessary).

Source ID No(s). Description(s)

Anode Bake Furnaces (2) Anode Bake Furnaces (2), ( A446 control device

– emission point

EE)

13. Indicate what operational parameters of the control device are monitored to ensure that the

control device is operating properly :

X V olumetric flow rate X F an amperage

X P ress ure drop Visible emissions opacity

O ther (specify): Alumina Feed Rate .

14. What level of a monitored operati onal parameter triggers corrective action ?

<45

, 0 00 V olu metric flow rate ( s cfm ) F an amperage (amps)

P ressure drop (in. H 2 O) Visible emissions opacity (%)

O ther (specify): < 7.8 cuft /hr Alumina Feed Rate (after a 5hr monitored time period)

Per reactor

.

15. Additional c omments and information:Primary Aluminum R eduction Section 114

- May 21, 2013

Page 17 of 2 2 Table 5 Combination Dry Coke Scrubber/Bag House Description

1. Control d evice description and ID number ( or numbers, if several identical control devices

are used to control a given emission source ) :

Paste Production Fume C ontrol S ystem

– Procedair

2. Stack or vent location of each control device ( use NAD83 and include six decimal places

and add rows as necessary):

ID No.: M2

_ 01 Latitude: 37.65 8877 Longitude: 87. 499145

ID No.: _________ Latitude: _______________ Longitude: _____

___________

ID No.: _________ Latitude: _______________ Longitude: ________________

3. Design collection efficiency and outlet concentration (add rows as necessary) :

Pollutant Collection Outlet Source of

efficiency * concentration * Estimation *

(if kno wn) (if known)

PM Percent mg /dscf

_________

PM10 Percent 0.343 mg /dscf ____1____

PM2.5 Percent 0.111 mg /dscf ____1____

Total Fluorides Percent mg /dscf

_________ Hydrogen Fluorides Percent mg /dscf

_________

POM 90 Percent mg /dscf 3

_

COS Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________

* 1 = Performance testing 2 = Engineering judgment 3 = Manufacturer specs.

4 = Title V permit a pplication 5 = Other (specify) _______________________

4. Scrubber device type:

_____ Fluidized bed X Injection

_____ Other (specify or describe): _________________________________________

5. Bag cleaning method :

X Pulse jet

_____ Reverse air

_____ Shaker

_____ Other (describe)

_________________________________________________

6. P ressure mode of operation: p ositive pressure X n egative pressurePrimary Aluminum R eduction Section 114

- May 21, 2013

Page 18 of 2 2 7. Typical gas temperature: inlet to scrubber 120 ° F outlet from bag house 120 ° F

8. Gas flow rate: 5 4

, 9 00 acfm (at bag house outlet ) 4 8

, 3 00 dscfm

9. Pressure drop: Across scrubber: 17 inches water column (in. H 2 O)

Across bag house: 6 inches water column (in. H 2 O )

10. Solid to gas ratio: 1.23 lb / 1,000 acf

11. Dry coke usage rate (differentiate between virgin and recycled coke )

Type of Dry Coke Added Usage rate Units for usage rate

Virgin dry coke 52 cuft/hr

Recycled dry coke NA

Other dry co ke (specify ________________)

12. Identify each emission source served by this control device (add rows as necessary).

Source ID No(s). Description(s)

Green Anode Production Anode Mix Conveying Systems (3 sections), Anode Mixers (7

stations), Presses (Pre ss 1 and Press 2)

13. Indicate what operational parameters of the control device are monitored to ensure that the

control device is operating properly :

X V olumetric flow rate F an amperage

P ressure drop Visible emissions opacity

O ther (specify): Coke Feed Rate .

14. What level of a monitored operati onal parameter triggers corrective action ?

< 3 0,000 V olumetric flow rate ( s cfm) F an amperage (amps)

P ressure drop (in. H 2 O) Visible emissions opacity (%)

O ther (specify): < 52 cuft/hr Dry Coke Feed Rate .

15. Additional comments and info rmation:Primary Aluminum R eduction Section 114

- May 21, 2013

Page 19 of 2 2 T able 6 Electrostatic Precipitator (ESP) Description

– 

## NA

- no ESPs

1. Control d evice description and ID number ( or numbers, if several identical control devices

are used to control a given emission source ) :

2. Stack or vent location of each con trol device ( use NAD83 and include six decimal places and

add rows as necessary) :

ID No.: _________ Latitude: _______________ Longitude: ________________

ID No.: _________ Latitude: _______________ Longitude: ________________

ID No.: _________ Latit ude: _______________ Longitude: ________________

3. Design collection efficiency and outlet concentration (add rows as necessary) :

Pollutant Collection Outlet Source of

efficiency * concentration * Estimation *

(if known) (if known)

PM Perce nt mg /dscf

_________

PM10 Percent mg /dscf

_________

PM2.5 Percent mg /dscf

_________

Total Fluorides Percent mg /dscf

_________ Hydrogen Fluorides Percent mg /dscf

_________

POM Percent mg /dscf

_________

COS Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________

* 1 = Performance testing 2 = Engineering judgment 3 = Manufacturer specs.

4 = Title V permit application 5 = Other (specify) _______

________________

4. D evice type: H igh

- voltage, single

- stage L ow

- voltage, two

- stage

W et D ry

O ther (specify or describe):

5. P ressure mode of operation: p os itive pressure n egative pressure

6. Typical gas temperature: inlet ° F outlet ° F

7. Gas flow rate: acfm (at ESP outlet) dscfmPrimary Aluminum R eduction Section 114

- May 21, 2013

Page 20 of 2 2 8. Collection plate surface area: ______ ____ ft 2

9. Secondary power : _____________ k W

10. Identify each emission source served by this control device (add rows as necessary).

Source ID No(s). Description

11. Indicate what operational parameters of the control device are monitored to ensure that the

control device is operating properly :

Visible emissions V olumetric flow F an amperage

opacity rate

Secondary power Secondary voltage

O ther (specify):

.

12. What level of a monitored operational parameter triggers corrective action?

Visible emissions V olumetric flow F an amperage

opacity (%) rat e (acfm) (amps)

Secondary power Secondary voltage

( kW ) (volts)

O ther (specify):

.

13. Has the collected dust been analyzed?

__ ___ Yes

_____ No

If yes, provide the average and range for each HAP constituent analyzed over the past year or

the last 9 samples, whichever is fewer. Alternatively, attach the results of the analyses. Do

not include results from the Toxicity Characteristi c Leaching Procedure (TCLP).

14. Additi onal comments and information:Primary Aluminum R eduction Section 114

- May 21, 2013

Page 21 of 2 2 Table 7 Other Air Pollution Control Devices

– 

## NA

1. Control d evice description and ID number ( or numbers, if several identical control devices

are used to control a given emission source ) :

2. Stack or vent location of each control device ( use NAD83 and include six decimal places and

add rows as necessary) :

ID No.: _________ Latitude: _______________ Longitude: ________________

ID No.: _________ Latitude: _______________ Longitud e: ________________

ID No.: _________ Latitude: _______________ Longitude: ________________

3. Design collection efficiency and outlet concentration (add rows as necessary) :

Pollutant Collection Outlet Source of

efficiency * concentration * Estimation *

(if known) (if known)

PM Percent mg /dscf

_________

PM10 Percent mg /dscf

_________

PM2.5 Percent mg /dscf

_________

Total Fluorides Percent mg /dscf

_________ Hydrogen Fluorides Percent mg /dscf

_________

POM Percent mg /dscf

_________

COS Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________ Other (specify) Percent mg /dscf

_________

* 1 = Performance testing 2 = Engineering judgment 3 = Manufacturer specs.

4 = Title V p ermit application 5 = Other (specify) _______________________

4. P ressure mode of operation: p ositive pressure n egative pressure

5. Typical gas temperature: inlet ° F outlet ° F

6. Gas fl ow rate: acfm Specify location: _______________________________

dscfm

7. Identify each emission source served by this control device ( add rows as necessary ).

Source ID No(s). Source description(s)Primary Aluminum R eduction Section 114

- May 21, 2013

Page 22 of 2 2 8. Indicate what operational parameters of the control device are monitored to ensure that the

control device is operating properly :

Visible emissions opacity V olumetric flow rate

P ressure drop

O ther (specify):

.

9. What level of a monitored operati onal parameter triggers corrective action ?

Visible emissions opacity (%) V olumetric flow rate (acfm)

Pressure drop (in. H 2 O)

O ther (specify):

.

10. Has the collected dust or sludge been analyzed?

_____ Yes

_____ No

______ Not Applicable

If yes, provide the average and range for each HAP constituent analyzed over the past year

or last 9 samples, whichever is fewer. Alternatively, attach the results of the analyses. Do not

include results from the Toxicity Characteristic Leaching Procedure (TCLP).

11. Additi onal comments and info rmation: